cpuid: Now we support extended feature testing.
[ccan] / ccan / cpuid / cpuid.h
index a3e127e628c4ae7876acd8213b2ebd29630f9ec1..89ef864945af9e1884bb547223033ad2b4866023 100644 (file)
@@ -158,6 +158,60 @@ enum {
                                        | CPUID_FEAT_EDX_TM1 | CPUID_FEAT_EDX_IA64 | CPUID_FEAT_EDX_PBE
 };
 
+enum {
+       CPUID_EXTFEAT_ECX_LAHF_LM               = 1 << 0,
+       CPUID_EXTFEAT_ECX_CMP_LEGACY            = 1 << 1,
+       CPUID_EXTFEAT_ECX_SVM                   = 1 << 2,
+       CPUID_EXTFEAT_ECX_EXTAPIC               = 1 << 3,
+       CPUID_EXTFEAT_ECX_CR8_LEGACY            = 1 << 4,
+       CPUID_EXTFEAT_ECX_ABM                   = 1 << 5,
+       CPUID_EXTFEAT_ECX_SSE4A                 = 1 << 6,
+       CPUID_EXTFEAT_ECX_MISALIGNSSE           = 1 << 7,
+       CPUID_EXTFEAT_ECX_3DNOWPREFETCH         = 1 << 8,
+       CPUID_EXTFEAT_ECX_OSVW                  = 1 << 9,
+       CPUID_EXTFEAT_ECX_IBS                   = 1 << 10,
+       CPUID_EXTFEAT_ECX_XOP                   = 1 << 11,
+       CPUID_EXTFEAT_ECX_SKINIT                = 1 << 12,
+       CPUID_EXTFEAT_ECX_WDT                   = 1 << 13,
+       CPUID_EXTFEAT_ECX_LWP                   = 1 << 15,
+       CPUID_EXTFEAT_ECX_FMA4                  = 1 << 16,
+       CPUID_EXTFEAT_ECX_TCE                   = 1 << 17,
+       CPUID_EXTFEAT_ECX_NODEIDE_MSR           = 1 << 19,
+       CPUID_EXTFEAT_ECX_TBM                   = 1 << 21,
+       CPUID_EXTFEAT_ECX_TOPOEXT               = 1 << 22,
+       CPUID_EXTFEAT_ECX_PERFXTR_CORE          = 1 << 23,
+       CPUID_EXTFEAT_ECX_PERFCTR_NB            = 1 << 24,
+
+       CPUID_EXTFEAT_EDX_FPU                   = 1 << 0,
+       CPUID_EXTFEAT_EDX_VME                   = 1 << 1,
+       CPUID_EXTFEAT_EDX_DE                    = 1 << 2,
+       CPUID_EXTFEAT_EDX_PSE                   = 1 << 3,
+       CPUID_EXTFEAT_EDX_TSC                   = 1 << 4,
+       CPUID_EXTFEAT_EDX_MSR                   = 1 << 5,
+       CPUID_EXTFEAT_EDX_PAE                   = 1 << 6,
+       CPUID_EXTFEAT_EDX_MCE                   = 1 << 7,
+       CPUID_EXTFEAT_EDX_CX8                   = 1 << 8,
+       CPUID_EXTFEAT_EDX_APIC                  = 1 << 9,
+       CPUID_EXTFEAT_EDX_SYSCALL               = 1 << 11,
+       CPUID_EXTFEAT_EDX_MTRR                  = 1 << 12,
+       CPUID_EXTFEAT_EDX_PGE                   = 1 << 13,
+       CPUID_EXTFEAT_EDX_MCA                   = 1 << 14,
+       CPUID_EXTFEAT_EDX_CMOV                  = 1 << 15,
+       CPUID_EXTFEAT_EDX_PAT                   = 1 << 16,
+       CPUID_EXTFEAT_EDX_PSE36                 = 1 << 17,
+       CPUID_EXTFEAT_EDX_MP                    = 1 << 19,
+       CPUID_EXTFEAT_EDX_NX                    = 1 << 20,
+       CPUID_EXTFEAT_EDX_MMXEXT                = 1 << 22,
+       CPUID_EXTFEAT_EDX_MMX                   = 1 << 23,
+       CPUID_EXTFEAT_EDX_FXSR                  = 1 << 24,
+       CPUID_EXTFEAT_EDX_FXSR_OPT              = 1 << 25,
+       CPUID_EXTFEAT_EDX_PDPE1GB               = 1 << 26,
+       CPUID_EXTFEAT_EDX_RDTSCP                = 1 << 27,
+       CPUID_EXTFEAT_EDX_LM                    = 1 << 29,
+       CPUID_EXTFEAT_EDX_3DNOWEXT              = 1 << 30,
+       CPUID_EXTFEAT_EDX_3DNOW                 = 1 << 31
+};
+
 typedef enum cputype {
        CT_NONE,
        CT_AMDK5,
@@ -322,14 +376,32 @@ bool cpuid_test_feature(cpuid_t feature);
  * cpuid_has_feature - Test if @feature is supported
  *
  * Test if the CPU supports MMX/SSE* etc.
- * Use cpuid_has_ecxfeature() for *_ECX* features and
- * cpuid_has_edxfeature() for *_EDX* features.
+ * This is split into two parts:
+ *     cpuid_has_ecxfeature and
+ *     cpuid_has_edxfeature.
+ * See the enum for more information.
+ *
  *
  * Returns true if the feature is available, false otherwise.
  */
 bool cpuid_has_ecxfeature(int feature);
 bool cpuid_has_edxfeature(int feature);
 
+/**
+ * cpuid_has_extfeature - Test if @extfeature is supported
+ * @extfeature: the extended feature to test.
+ *
+ * This is split into two parts:
+ *     cpuid_has_ecxfeature_ext and
+ *     cpuid_has_edxfeature_ext.
+ * See the enum for more information.
+ *
+ * Test if the CPU supports this feature.
+ * Returns true on success, false otherwise.
+ */
+bool cpuid_has_ecxfeature_ext(int extfeature);
+bool cpuid_has_edxfeature_ext(int extfeature);
+
 #else
 #include <ccan/build_assert/build_assert.h>